Shell Programming and Scripting

#! /usr/local/bin/expect

set command [ lindex $argv 0 ]
set password [lindex $argv 1]
eval spawn $command

switch -exact $command {
    "/create_bsim.sh" {
        expect "New Password:*"
        send "$password\r"
        expect "Re-enter new Password:*"
        send "$password\r"
        
        interact
    }
    "ssh bsim@localhost" {
        expect "Password:*"
        send "$password\r"
        
        interact
    }
    default {
        puts "Unknown script"
    exit 1
  }
}

catch "wait -i $spawn_id" reason

# return status code of spawned process
exit [ lindex $reason 3 ]